Fractional & Interim CFO
Embedded operating and financial leadership across accounting, FP&A, and planning, sized to your stage and budget, covering a gap or standing in through a transition.
McCauley Street: Fractional CFO & Operating Partner
Senior financial and operating leadership for PE-owned and venture-backed companies, without the full-time hire.
Rushton McGarr is a C-level operator and board member who partners with private equity and venture investors, Founders, and CEOs. Two decades scaling PE-owned and VC-backed businesses across quantum, enterprise SaaS, and energy. He translates a strategic objective into the operating roadmap required to reach it, and builds the team accountable for getting there, leveraging many aspects of EOS.
Rushton McGarr
About McCauley Street
An operator's judgment, available fractionally.
Rushton McGarr is a C-level executive and board member who has spent two decades scaling private equity and venture-backed businesses. He translates a strategic objective into the operating roadmap required to reach it, and builds the team accountable for getting there, drawing on experience as a CFO, President, and COO across quantum technology, enterprise SaaS, and energy.
He is currently the Chief Financial Officer of Ascend Analytics, backed by Rubicon Technology Partners, and previously led finance at Vitruvi Software (Bow River Capital), Infleqtion (NYSE: INFQ), and FullContact, both of which are Foundry Group portfolio companies. Across those roles he has closed equity and debt financings, built G&A teams and installed governance, integrated acquisitions, implemented EOS, and rebuilt management-to-board reporting and credibility.
Investors engage him when a portfolio company needs senior judgment quickly. He now offers that experience on a fractional basis: embedded operating and financial leadership for portfolio companies, funds, and their boards, scaled to what the business actually requires.
- 20+ years as a CFO, President & COO
- PE-owned and VC-backed operator and board member experience
- Industries: quantum, enterprise SaaS, energy analytics, identity & data
Focus Areas
Where a fractional Operating CFO moves the needle.
Engagements are shaped around your stage and your investors, whether that means owning the finance function outright, backstopping an existing team, or leading a specific event to close.
Capital Events & Financings
Equity and debt raises, M&A, and recapitalizations, from modeling and diligence through negotiation and close to integration.
CFO Transitions & Team Building
Assessing the finance and G&A team already in place, closing capability gaps, and recruiting and developing the leaders accountable for execution.
Board Reporting & Governance
Management-to-board reporting packages, SaaS scorecards, budgets, delegation-of-authority matrices, and committee charters that hold up as you scale.
Value Creation & Integration
Post-close 100-day planning, cost restructuring, KPI and unit-economics discipline, and the operating rigor that turns a plan into realized value.
PE & Venture Board Support
A trusted, on-call resource for funds and their portfolio company boards: diligence support, independent board and advisory seats, and senior operating judgment without adding headcount.
Experience
A career built scaling PE-owned and VC-backed companies.
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Chief Financial Officer
Ascend Analytics (Rubicon Technology Partners)Leading finance and shared services for the PE-owned market intelligence platform for the power industry. Rebuilt the finance and HR teams, implemented controls, developed all Board reporting, and delivered multi-divisional budgets and a clean audit.
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Chief Financial Officer
Vitruvi Software (Bow River Capital)CFO of the PE-owned construction-management SaaS platform. Restructured annualized OPEX run rate, stood up management and board reporting, installed SaaS metrics dashboard, and built committee governance framework and cap-table infrastructure.
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Chief Financial Officer
Infleqtion (NYSE: INFQ) / (Foundry Group)CFO of the cold-atom quantum technology leader. Closed a $130M Series B, led a Big 4 audit to PCAOB/SEC standards, closed an acquisition of a software company, and built the finance team.
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Chief Financial Officer
FullContact Inc. (Foundry Group)CFO of an identity-resolution platform (Inc. 5000) that scaled ARR from ~$5M to ~$20M. Raised $48M in equity and debt, closed and integrated five M&A transactions across Israel and India, and owned HR, legal, facilities, capital planning and financial reporting.
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President, COO / CFO & Board Member
concept3D Inc. (Lacuna)Recruited to scale the venture-backed interactive-mapping SaaS company. Drove 100%+ year-over-year revenue growth, secured debt and equity funding, and led finance, operations, product, and sales.
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Co-Founder / Senior Vice President
Market Force Information (Centennial Ventures & Boulder Ventures)Co-founded and scaled the customer-experience analytics leader from idea to over $60M in profitable revenue and 500+ employees, raising $53M in equity and $21M in debt to acquire and integrate five global businesses.
Education
- University of Texas at Austin, Red McCombs School of Business, MBA with highest honors
- University of North Carolina at Chapel Hill, B.A. in Economics & Political Science
Top skills: Financial Oversight · Capital Raising & M&A · FP&A & SaaS Metrics · Board Reporting & Governance · Team Building
Contact
Let's talk about where you're headed.
Whether you're raising, buying, selling, navigating a CFO transition, or need a senior operating partner for a portfolio company or board, reach out to start the conversation.
Boulder, Colorado